{"id":"CVE-2021-36692","aliases":["EUVD-2021-23287","GHSA-g7qh-xf59-6jc7"],"status":"published","title":"libjxl v0.3.7 is affected by a Divide By Zero in issue in lib/extras/codec_apng.cc jxl:...","description":"libjxl v0.3.7 is affected by a Divide By Zero in issue in lib/extras/codec_apng.cc jxl::DecodeImageAPNG(). When encoding a malicous APNG file using cjxl, an attacker can trigger a denial of service.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01221,"percentile":0.68911,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-369"],"published":"2021-08-30T20:14:39Z","modified":"2026-10-20T14:04:49Z","products":[{"vendor":"libjxl_project","product":"libjxl"}],"references":[{"url":"https://github.com/libjxl/libjxl/issues/308","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory","report"]},{"url":"https://github.com/libjxl/libjxl/pull/313","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://github.com/libjxl/libjxl/commit/7dfa400ded53919d986c5d3d23446a09e0cf481b","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-36692"},{"url":"https://github.com/advisories/GHSA-g7qh-xf59-6jc7"}],"sources":{"cve":[{"id":"CVE-2021-36692","description":"libjxl v0.3.7 is affected by a Divide By Zero in issue in lib/extras/codec_apng.cc jxl::DecodeImageAPNG(). When encoding a malicous APNG file using cjxl, an attacker can trigger a denial of service.","status":"published","published":"2021-08-30T20:14:39Z","modified":"2024-08-04T01:01:58.914Z","updated_at":"2026-11-02T14:33:05.989686Z"}],"euvd":[{"id":"EUVD-2021-23287","description":"libjxl v0.3.7 is affected by a Divide By Zero in issue in lib/extras/codec_apng.cc jxl::DecodeImageAPNG(). When encoding a malicous APNG file using cjxl, an attacker can trigger a denial of service.","status":"published","published":"2021-08-30T20:14:39Z","modified":"2024-08-04T01:01:58Z","updated_at":"2026-11-03T03:24:29.329171Z"}],"ghsa":[{"id":"GHSA-g7qh-xf59-6jc7","title":"libjxl v0.3.7 is affected by a Divide By Zero in issue in lib/extras/codec_apng.cc jxl:...","description":"libjxl v0.3.7 is affected by a Divide By Zero in issue in lib/extras/codec_apng.cc jxl::DecodeImageAPNG(). When encoding a malicous APNG file using cjxl, an attacker can trigger a denial of service.","status":"published","published":"2022-05-24T19:12:25Z","modified":"2023-01-30T05:01:50Z","cwes":["CWE-369"],"updated_at":"2026-11-02T14:46:29.807452Z"}],"nvd":[{"id":"CVE-2021-36692","description":"libjxl v0.3.7 is affected by a Divide By Zero in issue in lib/extras/codec_apng.cc jxl::DecodeImageAPNG(). When encoding a malicous APNG file using cjxl, an attacker can trigger a denial of service.","status":"published","published":"2021-08-30T21:15:09.413Z","modified":"2026-06-17T03:59:00.66Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-369"],"updated_at":"2026-11-02T14:06:57.67549Z"}],"osv":[{"id":"CVE-2021-36692","description":"libjxl v0.3.7 is affected by a Divide By Zero in issue in lib/extras/codec_apng.cc jxl::DecodeImageAPNG(). When encoding a malicous APNG file using cjxl, an attacker can trigger a denial of service.","status":"published","published":"2021-08-30T21:15:09.413Z","modified":"2026-10-20T14:04:49.894055816Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:20.434873Z"}]}}